Vulnerabilities > CVE-2020-27274 - Improper Check for Unusual or Exceptional Conditions vulnerability in Honeywell OPC UA Tunneller
Attack vector
NETWORK Attack complexity
LOW Privileges required
NONE Confidentiality impact
NONE Integrity impact
NONE Availability impact
HIGH Summary
Some parsing functions in the affected product do not check the return value of malloc and the thread handling the message is forced to close, which may lead to a denial-of-service condition on the OPC UA Tunneller (versions prior to 6.3.0.8233).
Vulnerable Configurations
| Part | Description | Count |
|---|---|---|
| Application | 1 |